My spelling is Wobbly. It's good spelling but it Wobbles, and the letters get in the wrong places.
~A.A. Milne

Devotees of grammatical studies have not been distinguished for any very remarkable felicities of expression.
~Bronson Alcott

Correct English is the slang of prigs who write history and essays.
~George Eliot, Middlemarch, 1872

Grammar is the logic of speech, even as logic is the grammar of reason.
~Richard C. Trench

[A] man must be a d—d fool, who can't spell a word more than one way.
~Author unknown, 1855, anecdote from Jamestown Journal (Thanks, Garson O'Toole!)

Correct spelling, indeed, is one of the arts that are far more esteemed by schoolma'ams than by practical men, neck-deep in the heat and agony of the world.
~Henry Louis Mencken, The American Language

Women are the simple, and poets the superior, artisans of language... the intervention of grammarians is almost always bad.
~Rémy de Gourmont

Ignorant people think it is the noise which fighting cats make that is so aggravating, but it ain't so; it is the sickening grammar that they use.
~Mark Twain

When I split an infinitive, god damn it, I split it so it stays split.
~Raymond Chandler

Nostalgia is like a grammar lesson: you find the present tense, but the past perfect!
~Owens Lee Pomeroy

Do not be surprised when those who ignore the rules of grammar also ignore the law. After all, the law is just so much grammar.
~Robert Brault, www.robertbrault.com

This is the sort of bloody nonsense up with which I will not put.
~Attributed to Winston Churchill, rejecting the rule against ending a sentence with a preposition, c.1948, may instead have been said by an anonymous official, see notes at www.wsu.edu/
~brians/errors/churchill.html